nth term of the sequence 2, -4, 8, -16 is
an = 3an-1 + 1
an = n(n-3)/n+4
an = n2 + 1
an = (-1)n-12n
8th term of the A.P 9, 13, 17, 21.....is
28
41
45
37
Which term of the A.P -1, 3, 7, 11........is 91?
25th term
91th term
100th term
24th term
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
nth term of the following sequence ak, ak3, ak5.......is
akn
ak2n-1
ak2n
akn+1
Find the 5th term in the sequence a1 = 3, a2 = 3 and an = an-1 + an-2 ; a>2
6
9
15
24
There are 15 terms in an A.P. Its first term is 5 and common difference is 3, then its middle term is
8
26
29
The 10th common term between the series 3+7+11+................ and 1+6+11+----- is
191
193
211
None of these.
The sequence an = 3n - 2 is an A.P, then a and d are
1, 4
4, 7
1, 3
7, 10
Next term in the series 3/16 + 1/18 + 1/12 +.........is
1/24
1/27
1/18
1/29
